AMD Radeon HD 7870 (2GB) is not equal to this AMD Raadeon 7870 because if my GeForce 920M can run No Man's Sky despite is not the GPU recomended for No Man's Sky i think my pc will can run this game on low remember my specs 920M(2GB) /i5-5200U and 6GBRam/Win10 64bits my pc can run it?